/* Microphone Test — specific UI. */
.mic-meter-wrap { max-width: 640px; margin: 0 auto 8px; }
.mic-meter-label {
  display: flex; justify-content: space-between; font-size: .78rem; font-weight: 600;
  color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 6px;
}
.mic-meter {
  height: 22px; border-radius: 999px; background: var(--surface2);
  border: 1px solid var(--border); overflow: hidden;
}
.mic-level {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--teal), var(--yellow) 65%, var(--accent) 90%);
  transition: width .05s linear;
}
.mic-wave {
  display: block; width: 100%; height: 120px; max-width: 640px; margin: 12px auto 0;
  background: var(--surface2); border: 1px solid var(--border); border-radius: var(--radius);
}